George Dumitru | Experimental methods | Best Researcher Award

Dr. George Dumitru | Experimental methods | Best Researcher Award

National Institute for Research and Development in Electrical Engineering ICPE-CA | Romania

George Dumitru is a Romanian physicist and electrical engineer, known for his pioneering work in applied superconductivity and cryogenics. With over 15 years of experience, he has significantly contributed to the development of high magnetic field generators and persistent HTS superconducting systems. Holding a PhD in Electrical Engineering from University Politehnica of Bucharest, he currently serves as a Scientific Researcher III and Head of the Applied Superconductivity Laboratory at INCDIE ICPE-CA. His work integrates deep technical insight, innovative thinking, and international collaboration across academic, research, and industrial platforms.

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🎓 Early Academic Pursuits

George Dumitru’s academic journey began at the University of Bucharest, where he obtained a degree in Physics (2004–2007), gaining knowledge in electronics, optics, and thermodynamics. He further pursued a Master’s in Electrical Engineering at University Politehnica of Bucharest (2018–2020), focusing on electrical machines and embedded systems. His academic path culminated in a PhD in 2024, specializing in High-Temperature Superconductors (HTS) used in Magnetic Energy Storage Systems (SMES). Throughout his education, Dumitru combined theoretical learning with practical experimentation, laying a strong foundation for a research-focused career.

💼 Professional Endeavors

Starting as a Physicist at InterNET SRL (2009–2017), George gained hands-on experience installing VSM systems, cryostats, and low-temperature test setups. He joined ICPE-CA in 2017 as a Scientific Research Assistant, advancing through ranks to Technological Development Engineer III, and currently Scientific Researcher III and Laboratory Head. His responsibilities included designing cryogenic test benches, developing acquisition systems, and leading prototype execution. George has led key national and European R&D projects, blending scientific curiosity with engineering acumen across fields of electromagnetism, cryogenics, and superconductivity.

🧪 Contributions & Research Focus

George Dumitru’s core research revolves around superconducting magnets, flux pumps, HTS junctions, and thermal control systems. He co-developed cryogenic cooling assemblies and persistent switches for superconducting coils, contributing to next-gen SMES. His contributions include 13+ high-impact papers, multiple IEEE conference participations, and nationally funded innovation projects. Notably, his work on HTS electromagnets generating fields up to 6T has enabled applications in particle physics, medical imaging, and energy distribution systems. His research is both experimental and computational, with simulations augmenting system design.

🌍 Impact & Influence

George’s innovations have practical impact in medical, aerospace, and nuclear instrumentation, leading to collaborations with institutions like ELI-NP and IUCN-Dubna. His HTS systems are integral to magnetic field generation and temperature regulation under extreme conditions. Through 13 co-authored patents, he has bridged the gap between academic innovation and industrial application. His systems have been deployed for positron trapping, cryogenic calibration, and space-grade nanomaterials testing. He is a recognized figure in Romanian superconductivity research, influencing emerging scientists and technologists in energy conversion and storage.

📚 Academic Citations 

George Dumitru’s scientific productivity includes 13+ peer-reviewed publications indexed in WOS and IEEE. His most cited works involve the design of 5T and 6T superconducting magnets, HTS persistent switches, and cooling systems using Peltier modules. His articles span reputable journals like U.P.B. Sci. Bull, Rev. Roum. Sci. Techn., and Electrotehnica, Electronica, Automatica (EEA). His contributions are frequently referenced in superconductivity and cryogenic systems literature, validating their theoretical soundness and practical significance. His publishing record reflects a consistent and impactful academic trajectory, contributing to Romania’s research output.

🛠️ Research Skills

George demonstrates advanced proficiency in experimental setups, numerical modeling, and prototype design for cryogenic and HTS systems. Skilled in software development for data acquisition, thermal simulations, and low-noise electronic design, he has developed systems integrating VSMs, probe stations, and cryocoolers. He applies multi-physics simulation tools and has strong knowledge of electrical measurement techniques under extreme environments. His problem-solving and engineering integration skills are evident in the development of thermostatic enclosures, cryomagnets, and superconducting current limiters.

👨‍🏫 Teaching & Mentorship Experience

Although primarily a researcher, George has mentored junior colleagues and contributed to knowledge transfer within research groups at ICPE-CA. He has participated in university collaborations, conference presentations, and technical workshops, serving as a bridge between academic theory and engineering practice. His lab leadership involves training young engineers, offering guidance in prototype testing, data acquisition, and scientific reporting. His communication skills—developed during equipment installations across Romania and abroad support his ability to educate and inspire emerging researchers.

🏅 Awards & Honors

George’s innovations have earned multiple national and international recognitions. He won the Silver Medal at EuroInvent 2021 for a cryogenic gas condensation system, and the First Prize from IUCN-Dubna for a superconducting magnetic system supporting neutron diffraction. His work has also been honored in IEEE symposiums, Romanian research expos, and academic competitions. These accolades underline the scientific excellence and applied relevance of his inventions, particularly in cryogenics, superconductivity, and electromagnetics. His patents and awards form a solid testament to his innovative spirit.

🔮 Legacy & Future Contributions

George Dumitru is paving the way for future advancements in superconducting energy systems, with goals to develop compact, energy-efficient electromagnets, intelligent cryogenic systems, and modular SMES devices. He is expected to play a central role in Romania’s strategic R&D efforts in green energy and quantum materials. Through ongoing mentorship, collaboration, and innovation, George aims to commercialize HTS technologies and elevate the global visibility of Romanian scientific excellence. His legacy will be marked by a unique blend of technical mastery, visionary projects, and collaborative achievements.

Top Noted Publications

High Temperature Superconducting Magnet System with a High Pressure Chamber at Cryogenic Temperatures for Neutron Scattering Investigations
  • Authors: Chernikov, Aleksandr; Dobrin, Ion; Dumitru, George; Kulikov, Sergey; Culicov, Otilia Ana; Enache, Dan

  • Journal: Cryogenics

  • Year: 2025

Characterization of a Mechanical Antenna Based on Rotating Permanent Magnets
  • Authors: Cristian Morari; Mihai Bădic; Constantin Dumitru; Eros-Alexandru Pătroi; George Dumitru; Cristinel Ioan Ilie; Nicolae Tănase

  • Journal: Applied Sciences

  • Year: 2024

Slow Positrons from a Magnetic Bottle
  • Authors: Djourelov, N.; Serban, A. B.; Craciun, L. S.; Esanu, T. R.; Dobrin, I.; Dumitru, G.; Enache, D.

  • Journal: Nuclear Instruments and Methods in Physics Research Section A

  • Year: 2023

The Design of the Power Supply Current Leads to a High-Temperature Superconducting Electromagnet
  • Authors: Dumitru, George; Morega, Alexandru-Mihail; Dobrin, Ion; Enache, Dan; Dumitru, Constantin

  • Journal: Rev Roumaine des Sciences Techniques – Série Electrotechnique et Energetique

  • Year: 2023

A Measuring System for HTS Wires and Coils Properties at Low Temperatures
  • Authors: Dan Enache; George Dumitru; Ion Dobrin; Mihai Guțu

  • Journal: Electrotehnica, Electronica, Automatica

  • Year: 2023

 

Ramadevi Suguru Pathinti | Experimental methods | Best Researcher Award

Mrs. Ramadevi Suguru Pathinti | Experimental methods | Best Researcher Award

Research Scholar at National Institute of Technology Warangal | India

Ramadevi Suguru Pathinti is currently pursuing her Ph.D. in Physics at the National Institute of Technology, Warangal, India, specializing in Materials Science with a focus on soft matter research. Her academic journey spans from her M.Sc. in Physics to her ongoing doctoral studies. Ramadevi has made significant contributions in the field of nanomaterials and smart materials, particularly in integrating liquid crystals with metal oxides for the development of advanced gas sensors and UV photodetectors.

👨‍🎓Profile

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Early Academic Pursuits 🎓

Ramadevi’s academic journey began at Rayalaseema University, Kurnool, India, where she pursued her M.Sc. in Physics with a specialization in Electronics, securing a CGPA of 9.1/10. She also holds a B.Sc. in Mathematics, Physics, and Computer Science. Her strong academic foundation laid the groundwork for her pioneering research in Materials Science during her doctoral studies at NIT, Warangal.

Professional Endeavors 💼

In her professional journey, Ramadevi has excelled in scientific research within both academic and industrial contexts. She has contributed to the development of thin film devices for smart window technologies, gas sensors, and photodetectors. Her Ph.D. research focuses on integrating liquid crystal-functionalized metal oxides to enhance the optical properties and responsivity of sensors, enabling advancements in environmental sensing and optoelectronic devices.

Contributions and Research Focus 🔬

Ramadevi’s research is centered on the synthesis of nanomaterials and their integration into innovative smart materials. She has worked extensively on fabricating gas sensors and UV photodetectors using liquid crystal-metal oxide hybrids. Notably, her work on smart windows is groundbreaking, where she has discovered novel optical switching behaviors and light modulation techniques, paving the way for energy-saving technologies. Furthermore, her synthesis methods like sol-gel and hydrothermal techniques have contributed to enhanced material properties for sensing applications.

Impact and Influence 🌍

Her research has already made a considerable impact in the fields of environmental sensing and smart material development, particularly in the energy-efficient technologies sector. Ramadevi’s work has the potential to revolutionize how we detect gases, modulate light, and develop self-powered sensors, with applications ranging from smart windows to sensitive environmental monitoring systems. Through her research, she aims to bring forth sustainable technologies that are adaptable to changing global needs.

Academic Cites 📚

Ramadevi has authored several impactful publications in top-tier peer-reviewed journals, contributing to the fields of materials science and optoelectronics. Her articles in journals like the Journal of Molecular Liquids, Journal of Alloys and Compounds, and Advanced Material Technology have contributed to the scientific community’s understanding of the integration of nanomaterials and liquid crystals for innovative devices. She has also presented her research at national and international conferences, further strengthening her academic profile.

Research Skills 🛠

Ramadevi has developed extensive technical expertise in nanomaterial synthesis using methods like sol-gel and hydrothermal techniques. She is proficient in device fabrication, particularly thin film devices for gas sensing and UV photodetector applications. Additionally, she has hands-on experience with advanced research instruments, including optical polarizing microscopes, fluorescence microscopes, and spin coating systems, which enhance her ability to conduct high-quality research and device development.

Teaching Experience 📚

In addition to her research, Ramadevi has taught practical sessions for both M.Sc. (Tech) Physics and B.Tech students. She has handled laboratory work, where she imparted valuable knowledge on experimental techniques and device characterization to budding scientists. This experience has helped her develop strong interpersonal and communication skills, which are essential for future academic and industrial collaborations.

Awards and Honors 🏆

Ramadevi’s excellence has been acknowledged through the Joint CSIR-UGC National Eligibility Test (NET) for Junior Research Fellowship (JRF) in 2017, where she secured an impressive All India Rank of 57. This achievement is a testament to her academic aptitude and research potential.

Legacy and Future Contributions 🌟

Looking forward, Ramadevi aims to make lasting contributions to the field of materials science and nanotechnology. Her research is poised to drive innovations in smart materials, sustainable technologies, and energy-efficient devices, with far-reaching implications for environmental sensing, smart window technologies, and optoelectronics. With her interdisciplinary approach and collaborative nature, she is well-positioned to make significant advancements in both academic and industrial research.

Publications Top Notes

Label-free detection of Aβ-42: a liquid crystal droplet approach for Alzheimer’s disease diagnosis

  • Authors: Saumya Ranjan Pradhan, Ramadevi Suguru Pathinti, Ramesh Kandimalla, Krishnakanth Chithari, Madhava Rao Veeramalla N., Jayalakshmi Vallamkondu
    Journal: RSC Advances
    Year: 2024

Enhanced ethanol gas detection using TiO2 nanorods dispersed in cholesteric liquid crystal: Synthesis, characterization, and sensing performance

  • Authors: Ramadevi Suguru Pathinti, Sunil Gavaskar Dasari, Buchaiah Gollapelli, Sreedevi Gogula, Ramana Reddy M.V., Jayalakshmi Vallamkondu
    Journal: Journal of Alloys and Compounds
    Year: 2024

Enhanced security through dye-doped cholesteric liquid crystal shells for anti-counterfeiting

  • Authors: Chris Mathew, Ramadevi Suguru Pathinti, Saumya Ranjan Pradhan, Buchaiah Gollapelli, Krishnakanth Chithari, Mrittika Ghosh, Ashok Nandam, Jayalakshmi Vallamkondu
    Journal: Optical Materials
    Year: 2024

ZnO nanoparticles dispersed cholesteric liquid crystal based smart window for energy saving application

  • Authors: Ramadevi Suguru Pathinti, Arun Kumar Tatipamula, Jayalakshmi Vallamkondu
    Journal: Journal of Alloys and Compounds
    Year: 2023

Energy saving, transparency changing thermochromism in dye-doped cholesteric liquid crystals for smart windows

  • Authors: Ramadevi Suguru Pathinti, Buchaiah Gollapelli, Saumya Ranjan Pradhan, Jayalakshmi Vallamkondu
    Journal: Journal of Photochemistry and Photobiology A: Chemistry
    Year: 2023